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Finding the Fourth Proportional to 240,220, 331,474.88 and 132,775.52

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Solution

The fourth proportional to 240,220, 331,474.88 and 132,775.52 is: 183,214.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,220 : 331,474.88 = 132,775.52 : x
  2. Step 2: Convert to fraction form
    240,220/331,474.88 = 132,775.52/x
  3. Step 3: Cross multiply
    240,220x = 331,474.88 × 132,775.52
  4. Step 4: Simplify right side
    240,220x = 44,011,749,558.94
  5. Step 5: Solve for x
    x = 44,011,749,558.94/240,220
  6. Step 6: Final answer
    x = 183,214.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.